#myInput {
    background-image: url('https://static.runoob.com/images/mix/searchicon.png');
    /* 搜索按钮*/
    background-position: 10px 12px;
    /* 定位搜索按钮位置 */
    background-repeat: no-repeat;
    width: 100%;
    font-size: 16px;
    padding: 12px 20px 12px 40px;
    border: 1px solid #ddd;
    margin-bottom: 12px;

}
#myUL {
    /* 移除默认小黑点 */
    list-style-type: none;
    padding: 0;
    margin: 0;

}
#myUL li a {
    border: 1px solid #ddd;
    display: block;
    color: black;
    font-size: 18px;
    text-decoration: none;
    padding: 12px;
    background-color: #f6f6f6;
    margin-top: -1px;
}
#myUL li a.header {
    background-color: #e2e2e2;
    cursor: default;
}
#myUL li a:hover:not(.header) {
    background-color: #eee;
}